Sony Betacam SX DNW-A100 Maintenance Manual page 330
Digital video hybrid recorder
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Also See for Betacam SX DNW-A100:
- Maintenance manual (506 pages) ,
- Operation manual (134 pages) ,
- Brochure & specs (14 pages)
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6-7. TBC-23 Board Replacement
Perform following steps (6) through (20) only when the specification in step (4) is not satisfied.
METAL adjustment [to step (17)]
(6) Playback the bowtie signal portion (17:00 to 19:00) of the alignment tape CR5-1B or CR5-1B PS.
(DNW-A100/A50/A45: CR5-1B, DNW-A100P/A50P/A45P: CR5-1B PS)
(7) Adjust the deviations of CH-1/CH-2 (Y/B-Y) and CH-1/CH-3 (Y/R-Y).
Adjustment points: Field 1: 1RV500/TBC-24(B-1)
Field 2: 1RV504/TBC-24(C-1)
Specifications:
If the specification is not satisfied by adjusting RV500, perform steps (8) through (11) after setting
RV500 to the mechanical center.
n
RV504 is not equipped on the TBC-24 board of board number suffixes 11 and 12 of.
Therefore, adjust RV500 only.
Perform following steps (8) through (11) only when the specification in step (7) is not satisfied.
(8) Playback the bowtie signal portion (17:00 to 19:00) of the alignment tape CR5-1B or CR5-1B PS
again.
(9) Enter the maintenance mode, then enter A37 : TBC VR.
(10) Change the data value of item "SQ C RZ" within +2 or _2 so that the bowtie dip points move closer
to each center markers.
(11) Perform step (7) again.
Data save [to step (16)]:
Perform the data save only when SQ C RZ's data value of
A37 : TBC VR is changed.
(12) To exit A37 : TBC VR, press the MENU button on
the lower control panel.
(13) Enter A3F : NV-RAM CONTROL, then execute
"SAVE ALL ADJUST DATA".
(14) Check that the message "Save Complete" is displayed
on the video monitor.
(15) To exit A3F : NV-RAM CONTROL, press the
MENU button once.
(16) To exit the maintenance mode, press the MENU
button three times again.
(17) Eject the alignment tape CR5-1B/CR5-1B PS.
6-92
A = 0 ± 10 ns
B = 0 ± 10 ns
Center markers
CH-1/CH-2
A
CH-1/CH-3
B
RV501
RV201
RV200
RV500
TBC-24 board (suffix-13 and higher)
RV201
RV501
RV500
RV504
RV500 and RV504 on TBC-24 Board
TBC-24 board (suffix-11 and 12)
RV300
RV101
RV300
RV101
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
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